8401            |    Nuclear reactors; fuel elements (cartridges), non-irradiated, for nuclear reactors; machinery and apparatus for isotopic separation.
8401.10.00   - Nuclear reactors
8401.20.00   - Machinery and apparatus for isotopic separation, and parts
8401.30.00   - Fuel elements (cartridges), non-irradiated
8401.40.00   - Parts of nuclear reactors